Home / 1,230,374,758.20-1,844,069,145.30-711,808,870.20

Finding the Fourth Proportional to 1,230,374,758.20, 1,844,069,145.30 and 711,808,870.20

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Solution

The fourth proportional to 1,230,374,758.20, 1,844,069,145.30 and 711,808,870.20 is: 1,066,849,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,374,758.20 : 1,844,069,145.30 = 711,808,870.20 : x
  2. Step 2: Convert to fraction form
    1,230,374,758.20/1,844,069,145.30 = 711,808,870.20/x
  3. Step 3: Cross multiply
    1,230,374,758.20x = 1,844,069,145.30 × 711,808,870.20
  4. Step 4: Simplify right side
    1,230,374,758.20x = 1,312,624,774,886,672,640
  5. Step 5: Solve for x
    x = 1,312,624,774,886,672,640/1,230,374,758.20
  6. Step 6: Final answer
    x = 1,066,849,564.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.